1999
2^nd in the Dutch Citroën Saxo Cup

2000
9^th in the Benelux Formula FordChampionship

2001
1^st in the Benelux Formula FordChampionship

2002
1^st in the Benelux and Dutch Formula FordChampionships
3^rd in the Formula Ford Festival, Brands Hatch

2003
1^st in the German Formula Volkswagen Championship

2004
7^th in the Formula Renault V6 Eurocup

2005
9^th in the World Series by Renault 3.5

2006
1^st in the Eurocup Renault Mégane Trophy

2007
14^th in the Porsche Supercup

2008
FIA World Touring Car Championship (LADA 110)
1^st in the Assen 4-Hour race (Porsche 997)
3^rd in the 24H Series, Class SP1 (Renault Mégane)
7^th in the Porsche Supercup

2009
FIA World Touring Car Championship (LADA 110)

2010
4^th in the Porsche Supercup
11^th in the Superleague Formula
2^nd in the Dutch Supercar Challenge, Class SS1 (Porsche 997);

2011
1^st in the Dutch Supercar Challenge, Class SS1 (Porsche 997)
2^nd in the Barcelona 24 Hours
11^th in the Porsche Carrera World Cup
6^th in the German Porsche Carrera Cup

2011/12
1^st in the Dutch Winter Endurance Series (Porsche 997)

2012
6^th in the German Porsche Carrera Cup
1^st in the Barcelona 24 Hours, Class 997 (Porsche 911)
7^th in the Dutch Supercar Challenge, Class GT (Opel Omega V8)

2013
7^th in the German Porsche Carrera Cup

2014
2^nd in the ADAC GT Master (Porsche 911)

2015
3^rd in the Dubai 24 Hours, Class 997 (Porsche 991)
15^th in the FIA World Touring Car Championship (Lada Vesta)

2016
23^rd in the ADAC GT Masters (Lamborghini Huracan)

2017
1^st in the Dubai 24 Hours, Class SP2 (Brokernet Silver Sting)
22^nd (2 wins) in the TCR Benelux (Audi RS3 LMS)